.packages-yulang-collapse-container {
    border: 1px solid #ccc;
    display: inline-block;
    width: 100%;
    .packages-yulang-collapse-item-container {
        .yulang-collapse-item-title-container {
            display: flex;
            justify-content: space-between;
            cursor: pointer;
            padding: 10px 0;
            border-bottom: 1px solid #aaa;
        }
        .yulang-collapse-item-content {
            padding: 10px 0;
        }
    }
}